Recommend locking the front page from editing by anonymous users - an internet.
I think they'd just move on to some other page. They've been hitting the "OPPOwiki talk:About" page as well. Can you say 'wack-a-mole'? Probably the only way to stop these spammers is to restrict editing to registered users. So that's my recommendation. According to the MediaWiki FAQ page "Set $wgGroupPermissions['*']['edit'] = false; at bottom of LocalSettings.php." to stop anonymous users from editing any page -- FTWMike 00:07, 9 October 2009 (UTC)
Talk:Main Page has been locked to Registered Users only due to the amount of automated spam this section receives on a daily basis. We regret any inconvenience this will cause our contributors Nathaniel Plain 9, July 2010